轮状病毒感染在婴幼儿的急性病毒性胃肠类中发病率很高。作者观察到轮状病毒感染的婴幼儿在发病第2周,粪便中虽无轮状病毒排出,但在其中发现了特异性的IgA抗体。就此可以预测便中的特异性IgA抗体的出现在轮状病毒感染症治疗上具有一定的作用。以1987年10月到1988年10月在东京原生年金医院小儿科门诊田急性胃肠炎就诊的婴幼儿为对象,将粪便标本保存在-20℃中。并尽量收集急性期以后的标 Rotavirus infection is very high in infants with acute viral gastrointestinal infections. The authors observed that in rotavirus infected infants and young children in the first 2 weeks of onset, although no rotavirus excretion in the stool, but found in which a specific IgA antibodies. This can predict the presence of specific IgA antibodies in the treatment of rotavirus infection has a certain role. From October 1987 to October 1988 in Tokyo primary annuity hospital pediatrics clinic acute gastroenteritis infants and young children for treatment, stool specimens stored at -20 ℃. And try to collect the standard after the acute phase